/*****************************************************************************/
/**
*
* @file audio.h
*
* Header file for audio.c.
* Application layer about audio devices.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who    Date   	Changes
* ----- ---- ---------- -------------------------------------------------------
* 0.01  abu  08/12/2019 Created
* </pre>
*
*------------------------------------------------------------------------------
* Author: abu	E-mail:	abu_liu@aliyun.com
*				Blog:	https://blog.csdn.net/ClamerKorallen
*				Gitee:	https://gitee.com/abu_liu
*------------------------------------------------------------------------------
*
******************************************************************************/

#ifndef AUDIO_H
#define AUDIO_H

#ifdef __cplusplus
extern "C" {
#endif

/***************************** Include Files *********************************/
#include "adau1761.h"

/************************** Constant Definitions *****************************/

/*************************** Hardware constants ******************************/


/**************************** Type Definitions *******************************/


/**************************** Function Definitions ***************************/
s32 Audio_DevInit();			//initialize audio device
void Audio_VolDown();			//relative volume set
void Audio_VolUp();				//realtive volume set
void Audio_VolSet(u8 voldB);	//absolute volume set
void Audio_ChannelSelect();	//select audio channel

#ifdef __cplusplus
}
#endif


#endif

